Patents by Inventor Willi Probst

Willi Probst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5439282
    Abstract: A door (4) for a switch cabinet (1) is provided on its inner side (7) with a frame (8) that serves to stiffen the door (4) and secure internal fixtures. The frame (8) is assembled from profiled sections (10) and is fastened to the inner side (7) of the door (4) by means of retainer studs (15) against whose end surfaces dimples (13) of the frame (8) rest. A space (A) is present between the inner side (7) of the door (4) and an adjoining profile part (11) of the profiled sections (10).
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: August 8, 1995
    Assignee: Siemens Aktiengesellschaft
    Inventors: Willi Probst, Richard Blum, Hans-Michael Groh, Willi Kuester, Klaus-Jurgen Herr